According to Indiana State Police, Weaver was operating a Yamaha motorcycle, traveling eastbound on Ind. 332, when a westbound Jeep driven by Vanessa Renee Richmond-Jones, 24, of Indianapolis, tried to make a left turn onto Delaware County Road 500-W.

The Jeep "turned directly into the path" of Weaver's motorcycle, an ISP press release said. The motorcycle struck the the Jeep's passenger door, and Weaver, who wasn't wearing a helmet, was ejected.

The accident was reported about 5:50 p.m.

The cause of the crash remains under investigation. State police issued a statement urging all motorists to "be cautious and observant" before making left turns, and to "watch attentively for motorcycles."

Along with state troopers, Delaware County sheriff's deputies, Delaware County EMS and Yorktown police and firefighters responded to the scene.